204007623 has 4 divisors (see below), whose sum is σ = 272010168. Its totient is φ = 136005080.

The previous prime is 204007619. The next prime is 204007649. The reversal of 204007623 is 326700402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204007623 - 2² = 204007619 is a prime.

It is a super-2 number, since 2×204007623² = 83238220484220258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204007593 and 204007602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204007613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34001268 + ... + 34001273.

It is an arithmetic number, because the mean of its divisors is an integer number (68002542).

Almost surely, 2^204007623 is an apocalyptic number.

204007623 is a deficient number, since it is larger than the sum of its proper divisors (68002545).

204007623 is an equidigital number, since it uses as much as digits as its factorization.

204007623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68002544.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 204007623 is about 14283.1237129698. The cubic root of 204007623 is about 588.6838640826.

The spelling of 204007623 in words is "two hundred four million, seven thousand, six hundred twenty-three".